a lot of improvements
This commit is contained in:
illiliti
parent
e4a6cec294
commit
70d2869411
4
config
4
config
@ -3,7 +3,7 @@
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#
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# debug mode
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debug=1
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#debug=1
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# parse fstab
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#use_fstab=0
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@ -27,7 +27,7 @@ hostonly=1
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#drivers=""
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# binaries
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binaries="./busybox findfs blkid mount modprobe umount"
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#binaries=""
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# LVM support
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use_lvm=1
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93
generate
93
generate
@ -8,6 +8,11 @@ msg() {
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info)
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printf "info >> %s\n" "$2" >&2
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;;
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warn)
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printf "warning >> %s\n" "$2" >&2
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printf "do you want to continue? press enter or ctrl+c to exit\n"
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read -r _
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;;
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panic)
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printf "panic >> %s\n" "$2" >&2
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exit 1
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@ -23,7 +28,7 @@ remove_tmpdir() {
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# change current directory to script directory if user haven't do it
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check_currentdir() {
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script_dir=$(dirname $(readlink -f -- "$0"))
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script_dir=$(dirname $(readlink -f "$0"))
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[ "$PWD" = "$script_dir" ] || {
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msg info "changing directory to script dir"
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cd "$script_dir" || msg panic "failed to change directory"
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@ -33,19 +38,54 @@ check_currentdir() {
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# check needed files
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check_requirements() {
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msg info "checking requirements"
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# TODO use system busybox
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for f in ./init ./busybox; do
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[ -e "$f" ] || msg panic "$f doesn't exists"
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done
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# TODO handle busybox requirements ( busybox --list | grep ash )
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# check busybox installed
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command -v busybox >/dev/null 2>&1 && {
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# check busybox supports CONFIG_FEATURE_INSTALLER
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busybox --help | grep -q "\-\-install \[\-s\]" || msg panic "recompile busybox with CONFIG_FEATURE_INSTALLER"
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# check requirements for init
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for busybox_dep in mdev uevent switch_root; do
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busybox $busybox_dep --help >/dev/null 2>&1 || msg panic "recompile busybox with $busybox_dep"
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done
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} || msg panic "busybox doesn't installed"
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# check kmod modprobe installed
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command -v modprobe >/dev/null 2>&1 && {
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# busybox modprobe doesn't supported(yet)
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modprobe --version 2>&1 | grep -q "kmod" || msg panic "kmod modprobe version doesn't installed"
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} || msg panic "modprobe doesn't installed"
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# TODO need rethink
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# i can fully get rid of util-linux package, but PARTUUID is
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# required to boot LUKS with detached header. so stay as is(yet)
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# check util-linux tools
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command -v mount >/dev/null 2>&1 && {
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mount --version 2>&1 | grep -q "util-linux" || msg warning "util-linux mount version doesn't installed. PARTUUID support will be missing"
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} || msg panic "mount doesn't installed"
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command -v blkid >/dev/null 2>&1 && {
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blkid --version 2>&1 | grep -q "util-linux" || msg warning "util-linux blkid version doesn't installed. PARTUUID support will be missing"
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} || msg panic "blkid doesn't installed"
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# findfs will be removed soon
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command -v findfs >/dev/null 2>&1 && {
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findfs --version 2>&1 | grep -q "util-linux" || msg warning "util-linux findfs version doesn't installed. PARTUUID support will be missing"
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} || msg panic "findfs doesn't installed"
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}
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# install mandatory binaries
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install_requirements() {
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msg info "installing requirements"
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install_binaries busybox modprobe mount blkid findfs
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}
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# create FHS directory structure
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create_structure() {
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msg info "creating directory structure"
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for d in dev tmp var run etc usr/lib usr/bin mnt/root proc root sys; do
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mkdir -p "${tmpdir}/${d}"
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for dir in dev tmp var run etc usr/lib usr/bin mnt/root proc root sys; do
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mkdir -p "${tmpdir}/${dir}"
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done
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}
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@ -169,7 +209,7 @@ install_drivers() {
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[ -n "$root_type" ] || msg panic "hostonly mode required root_type option to be configured"
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# perform autodetection of drivers via /sys
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for driver in $(find /sys/devices -name modalias -exec sort -u "{}" "+"); do
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find /sys/devices -name modalias -exec sort -u "{}" "+" | while read -r driver; do
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for driver_dep in $(modprobe -D "$driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
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install -Dm644 "$driver_dep" "${tmpdir}${driver_dep}"
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done
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@ -184,7 +224,7 @@ install_drivers() {
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# install user specified drivers
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[ -n "$drivers" ] && {
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for custom_driver in $(printf "%s\n" "$drivers" | tr " " "\n"); do
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printf "%s\n" "$drivers" | while read -r custom_driver; do
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for custom_driver_dep in $(modprobe -D "$custom_driver" 2>/dev/null | grep -v builtin | cut -d " " -f 2); do
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install -Dm644 "$custom_driver_dep" "${tmpdir}${custom_driver_dep}"
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done
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@ -223,44 +263,44 @@ generate_depmod() {
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# TODO make strip optional
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# handle binaries
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install_binaries() {
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for b in $(printf "%s\n" "$@" | tr " " "\n"); do
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msg info "installing binary $b"
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printf "%s\n" "$@" | while read -r binary; do
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msg info "installing binary $binary"
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# check binary existence
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command -v "$b" >/dev/null 2>&1 || msg panic "$b doesn't exists"
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command -v "$binary" >/dev/null 2>&1 || msg panic "$binary doesn't exists"
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# install and strip binary
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install -s -m755 "$(command -v $b)" -t "${tmpdir}/usr/bin"
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install -s -m755 "$(command -v $binary)" -t "${tmpdir}/usr/bin"
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# check statically linking
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ldd "$(command -v $b)" >/dev/null 2>&1 || continue
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ldd "$(command -v $binary)" >/dev/null 2>&1 || continue
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# install libraries
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install_libraries $b
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install_libraries $binary
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done
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}
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# TODO make strip optional
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# handle libraries
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install_libraries() {
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for l in $(ldd "$(command -v $1)" | sed -nre 's,.* (/.*lib.*/.*.so.*) .*,\1,p' -e 's,.*(/lib.*/ld.*.so.*) .*,\1,p'); do
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msg info "installing library $l"
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for library in $(ldd "$(command -v $1)" | sed -nre 's,.* (/.*lib.*/.*.so.*) .*,\1,p' -e 's,.*(/lib.*/ld.*.so.*) .*,\1,p'); do
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msg info "installing library $library"
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# check symlink
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if [ -h "$l" ]; then
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if [ -h "$library" ]; then
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# check lib already existence
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if [ ! -e "${tmpdir}/usr/lib/${l##*/}" ] && [ ! -e "${tmpdir}/$(readlink -f $l)" ]; then
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if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ] && [ ! -e "${tmpdir}/$(readlink -f $library)" ]; then
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# regular
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install -s -m755 "$(readlink -f $l)" -t "${tmpdir}/usr/lib"
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install -s -m755 "$(readlink -f $library)" -t "${tmpdir}/usr/lib"
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# FIXME handle all symlinks
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# symlink may link to symlink
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[ -h "/usr/lib/$(readlink $l)" ] && cp -a "/usr/lib/$(readlink $l)" "${tmpdir}/usr/lib"
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[ -h "/usr/lib/$(readlink $library)" ] && cp -a "/usr/lib/$(readlink $library)" "${tmpdir}/usr/lib"
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# symlink
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cp -a "$l" "${tmpdir}/usr/lib"
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cp -a "$library" "${tmpdir}/usr/lib"
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fi
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else
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if [ ! -e "${tmpdir}/usr/lib/${l##*/}" ]; then
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install -s -m755 "$l" -t "${tmpdir}/usr/lib"
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if [ ! -e "${tmpdir}/usr/lib/${library##*/}" ]; then
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install -s -m755 "$library" -t "${tmpdir}/usr/lib"
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fi
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fi
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done
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@ -351,12 +391,11 @@ moddir="/lib/modules/"
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modker="${moddir}${kernel}"
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check_requirements
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create_structure
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create_symlinks
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#parse_fstab
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#parse_crypttab
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install_binaries $binaries
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install_requirements
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if [ "$hostonly" = 1 ]; then
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install_drivers
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